On August 3, 2007, the 00kV rod passed the type test in Wuhan Electric Power Industry Electrical Equipment Quality Inspection and Testing Center. In July 2008, the product passed the new product technical appraisal of the China Electricity Council, and the experts at the meeting believed that the above products have reached the cutting-edge level.
Tangshan High voltage Electric Porcelain Co., LTD., founded in 1952, is a subsidiary company of Beijing BBMG Group, one of China's top 500 enterprises. Tangshan High voltage electric porcelain Co., Ltd. is a power station electric porcelain product design, research and development, production manufacturers, is one of China's insulator arrester industry backbone enterprises, the annual output value of 300 million yuan, the product registered trademark "TD" brand.